NCAR scientists are participating in the second Mauna Loa Observatory Photochemistry Experiment (MLOPEX) to investigate variations in the chemical make-up of the remote troposphere in order to provide data for photochemical models and to further our understanding of the complex oxidative chemistr... Show moreNCAR scientists are participating in the second Mauna Loa Observatory Photochemistry Experiment (MLOPEX) to investigate variations in the chemical make-up of the remote troposphere in order to provide data for photochemical models and to further our understanding of the complex oxidative chemistry in the remote troposphere. Show less